[2] Another company, the International Cinema Corporation was originally formed in 1971 by three National Film Board of Canada executives John Kemeny, as well as Don Duprey, Joe Koenig and George Kaczender to develop documentaries,[3] and it became International Cinema Corporation in 1979 when Kemeny teamed up with Denis Heroux to produce feature films.

[7] On September 11, 1986, Alliance Entertainment Corporation expanded into a package of seven feature films and television projects for the next twelve months, and John Hirsch made his television acting debut on Alliance's made-for-television movie production, The Sword of Gideon, which aired on CTV and HBO.

[8] In 1987, it attempted to take over the Los Angeles-based production company Robert Cooper Productions, a move that will join the two companies under the Alliance banner, and bring 28 hours of programming donated by Robert Cooper to Alliance, which included HBO projects and several other television films, and distribution of the four Cooper/Alliance joint production ventures would be handled by Carolco Pictures outside of the Canadian market and handled through a $40 million limited partnership with Richard Greenshields of Canada Ltd., which is expected to file within two weeks.

Société générale de financement du Québec, an investment agency of the provincial government, owns 51% of the voting shares of the company and 38.5% of the equity.

In addition to producing films as The Rocket (Maurice Richard) with Cinémaginaire (as well as other movies), National Lampoon's Senior Trip with New Line Cinema and Munich with Universal Pictures, DreamWorks SKG and Amblin Entertainment of and before the days of Alliance Atlantis respectively, they were responsible for co-producing the 2008 teen slasher Prom Night with Screen Gems and Original Film.

They also produced and distributed the war drama Passchendaele, and co-produced the comedy Stone of Destiny with Infinity Features Entertainment and The Mob Film Company.

They are also responsible for co-producing the 2011 horror film Insidious with FilmDistrict and Wanderlust with Universal Pictures and Apatow Productions.

In 2010, Alliance Films expanded its home video operations with an aggressive push into the TV-on-DVD market.

[22][23] In the years since its dissolution, Alliance Films' library (via eOne) would be split between Hasbro and Lionsgate (another Canadian-founded studio).